Manhattan’s largest apartment complex – the legendary Stuyvesant Town and Peter Cooper Village – was put on the block last night by owner MetLife to cash in on the real estate boom.

The leafy 80 acres of towering World War II-era buildings would fetch as much as $2 billion, relatively low for prime Manhattan property.

Experts say the 11,200-apartment complex contains a large number of rent-controlled and rent-stabilized apartments that would limit the rent income for an investor.

MetLife said in a statement last night that it would sell the park-like property only if offers meet “our expectations.” If not, it would pull the deal, which hasn’t yet been offered to a broker.

“We believe current market conditions are very favorable and we have decided to test the market to gauge buyer interest in these properties,” said Robert Merck, head of MetLife’s real estate operations.

Two-bedroom and three-bedroom apartments like those in the complex fetch upwards of $1 million elsewhere in Manhattan.

But the traditional rent-hike restrictions on the apartments would probably lower relative valuations to about $500,000 on each unit, said real estate sources.